Consider quadrilateral wxyz. based on the information given, is the quadrilateral a parallelogram? explain.

Volcanic irruption is most likely to be violent when a) volcanoes near to the sea b) the neck of the volcano is sealed by a plug c) the lava is viscous d) the lava reaches the surface through a fissure e) the volcano is on the ocean floor

Answer this asap. why did the americans go to china? a. trading b. exploration c. land d. live stock

Explain why ocean water levels do not change very much, even though precipitation happens so often.